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| STAT 151 - Wi nter 2023 |
| Lab 1 Submission Opened : Wednesday , 1 February 2023, 12:00 AM Due : Friday , 3 February 2023, 9:59 PM
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| Question 2 ( a ) R output for Summary Statistics : 2 marks Total number of faci lities : 2 marks Sum of TOTAL: 2 marks Mean, s tandard deviation , and max values : 3 marks (1 each ) Quartiles : 3 marks (1 each) Comparison of mean and median , expected shape of distribution : 4 marks (2 each ) ( b ) Number and percentage of voluntary facilities in 2016: 2 marks Percent age contribution to TOTAL : 2 marks (c) L argest emitter and value in 2016: 2 marks Comparison with value from part ( b ): 2 marks (d) 95th percentile : 2 marks Percentage contribution to TOTAL of top 5% : 2 marks (e) Sums of TOTAL for each of the 18 sectors in 2016: 4 marks Sector with the largest TOTAL sum in 2016: 2 marks Percentage co ntribution of the sector : 2 marks Pie chart for TOTAL sums for 18 sec tors : 4 marks Com ments : 2 marks (f) Properly formatted fr equency histogram of TOTAL in 2016: 4 marks Shape: 2 m arks Con clusions : 2 marks Maximum score 5 0 |
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| Question 3 (a) Sum of TOTAL for all facilities with TOTAL at 100 kt or mo re for each year : 2 marks Percentage in crease in TOTAL : 2 marks (b) Time plot : 4 marks Com ments : 2 marks (c) Side-by-side boxplot (with proper format) of T OTAL by Year : 4 marks Summary comments about the centers , spreads, and shapes of the 13 distributions: 4 marks Largest emitt er ( s ): 2 marks Progress i n reducing emissions by the largest emitter ( s ) over the period : 2 marks (d) Compar ison : 3 marks Information derived from one plot but not the other : 3 marks Maximum score 28 | ||
| ( a ) Summary statistics: 5 marks Fill in the table : 2 marks Comments about change in total emissions for Oil Sands: 2 marks Comp are mean and median : 1 mark Shape of the distribution : 1 mark Measure of center : 1 mark Measure of spread: 1 m ark (b) Time plot : 4 marks Com ments : 2 marks (c) Summ aries : 4 marks Co mments using percentage changes : 3 marks Timeplot : 4 marks T imeplot interpretation : 3 marks Maximum score 33 |